10K Loop
Sat 18 Jul 2026 Swansea, West Glamorgan, UK

Gower Peninsula Ultra Challenge | 10K Loop

A perfect Saturday trail 10K from Penrice Castle on a loop towards Oxwich Bay then back to the event hub for a medal, a picnic lunch and to enjoy the whole Ultra Challenge atmosphere.

Enter now Charity places
  • Sat 18 Jul 2026
Penrice Castle, Swansea
10K Loop

10:30

Age 8 & over

£49

  • 10 km multi terrain running + 250 m ascent

Event overview

The basecamp is in the grounds of the historic Penrice Castle, with weekend camping options and the 100km challenge is a figure-of-eight route made up of west and east loops which take in the best of the Peninsula, its history and its varied, unique landscape.

With 75km, 50km, Marathon, 25km and 10K challenge options, as well as a bar and entertainment at basecamp - this event will be the highlight of the season!

The Ultra Challenge Experience

This endurance event is for a wide range of fitness and ages. Choose your distance and do it at your pace. The support enables you to go further, whilst enjoying the great outdoors and camaraderie.

There are marquee rest stops, plenty of food and drink, medical and massage teams, and a fully signed route with GPS tracking to guide you. A big finish-line celebration awaits with an amazing sense of achievement, and once the aches subside, you’ll feel energised and up for more of life’s challenges!

This event is part of Gower Peninsula Ultra Challenge.

Event video

Event community

  • Average fitness
  • Beginner-friendly
  • Event village
  • Teams

Your challenge, your way

Whether you’re a walker and new to challenge events, an experienced trekker, a marathon enthusiast upping the distance, or a seasoned ultra runner – there’s an Ultra Challenge® for you! Walk, Jog, or Run – as an Individual or a Team, for a charity of your choice or just for you.

On the Full and 1st Half challenges, there’s a new Ultra Trailblazerz® option for ‘rapid runners’, and an Ultra March® option for ‘hasty hikers’, plus a friendly ‘Solo Challenger’ start time to join up with others.

The Gower Peninsula Ultra Challenge® is fun, safe, and rewarding, with full support all the way, a fantastic figure-of-eight route, and weekend camping options at the basecamp, enabling you to push yourself further in some wonderful, rugged countryside.

Best support & hospitality

This Ultra Challenge® famously lays on the best support and hospitality available on any UK endurance-style event. This enables you to step up and confidently tackle an 'Ultra' distance, with the best chance of success - and to enjoy your challenge!

  • Circular route
  • Distance markers
  • First aid
  • Food stations
  • Marshals
  • Mass start
  • Navigation not required
  • Toilets
  • Undulating
  • Water stations
  • Way markers

Overview

A perfect Saturday 10K for all ages, and maybe for those supporting others on the longer distance challenges – setting out from Penrice Castle basecamp, where we have a range of camping options and hospitality. It heads out on a clockwise 10km loop down towards Oxwich Bay and then back to the basecamp finish line at Penrice Castle for a medal and a picnic lunch.

Map

map

  • Accommodation
  • Bag transfer
  • Bar
  • Cafe
  • Camping
  • Changing facilities
  • Entertainment
  • Paid parking
  • Rural
  • Secure bag storage
  • Showers

Event HQ

Penrice Castle
Gower
Swansea
West Glamorgan
SA3 1LA
UK

  • Camping
  • Drinks
  • Fizz at the finish
  • Medal
  • Post-race meal
  • Snacks
  • T-shirt

Included

  • 5km | water stop
  • Finish | glass of fizz, medal and t-shirt

Bookable extras

  • Challengers meal

High level of service from your staff, the detail and accuracy of your administration and general professionalism of the whole event. First class delivery

Everyone was incredibly friendly and helpful. They couldn't do enough for you. All the people helping made the challenge an amazing event.

Do it for charity

Looking to do this event for charity? Do it for one of the charities below or see the full list of charities on the Gower Peninsula Ultra Challenge charity places | 10K Loop page.

Cancer

Macmillan Cancer Support

No one should have to face cancer alone.

  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£7.50

Fundraise
£150

Mental health

Mind

The mental health charity.

  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£7.50

Fundraise
£150

Cancer

Prostate Cancer UK

Funding research to stop prostate cancer killing men.

  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£10

Fundraise
£100

  • Age 8 & over
  • Entries open
  • to 26/06/2026
  • Charity places
  • Enter online
  • Event merch available

Under 18s need to be accompanied by an adult.

Entry fees

Entry fee

£49.00

Enter now

Other races at event

  • Sat 18 - Sun 19 Jul
  • #1 of 8
Penrice Castle, Swansea
Full Continuous 100K

06:45

Age 18 & over

£199

  • 100 km multi terrain running + 2200 m ascent
  • Sat 18 - Sun 19 Jul
  • #2 of 8
Penrice Castle, Swansea
Full 2 Day Daylight 100K

06:45

Age 18 & over

£199

  • 100 km multi terrain running + 2200 m ascent
  • Sat 18 Jul
  • #3 of 8
Penrice Castle, Swansea
75K Challenge

09:30

Age 18 & over

£169

  • 75 km multi terrain running + 1550 m ascent
  • Sat 18 Jul
  • #4 of 8
Penrice Castle, Swansea
1st Half 50K | Gower West Loop

06:45

Age 16 & over

£139

  • 50 km multi terrain running + 1200 m ascent
  • Sat 18 - Sun 19 Jul
  • #5 of 8
Penrice Castle, Swansea
2nd Half 50K | Gower East Loop

11:00

Age 16 & over

£139

  • 50 km multi terrain running + 1000 m ascent
  • Sat 18 Jul
  • #6 of 8
Penrice Castle, Swansea
Marathon 42K Loop

06:45

Age 14 & over

£89

  • 42 km multi terrain running + 900 m ascent
  • Sat 18 Jul
  • #7 of 8
Penrice Castle, Swansea
25K Loop

09:30

Age 14 & over

£89

  • 25 km multi terrain running + 550 m ascent
4 steps to wellbeing
Sleep well

A good night's sleep is an essential foundation for a healthy lifestyle, effective training and weight control.

Train slow

Low-intensity training is easier for you, reduces the risk of injury and helps builds an efficient aerobic system.

Eat natural

Cut out sugar & junk food, reduce carbs, eat natural foods and train your body to burn fat for fuel.

Get outdoors

Fresh air, natural light and reconnecting with nature all help to improve mental and physical wellbeing.